package com.project.Interceptor;

import org.apache.shiro.SecurityUtils;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Component
public class MyInterceptor implements HandlerInterceptor {

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
/*        System.out.println(handler);
        return true;*/

        String path = request.getServletPath().substring(7);
        System.out.println(path);

        //记录的路径是控制器中的路径就会放行，用户所拥有的权限就可以实现
        if (SecurityUtils.getSubject().isPermitted(path)) {
            return true;
        }
        return false;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
        System.out.println("视图渲染之前");
    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("视图渲之后");
    }
}
